Double-screw fuel cell air compressor

The utility model provides a twin-screw fuel cell air compressor which comprises a driving part and a compressor body part, the driving part is a high-speed permanent magnet synchronous motor, and thecompressor body part comprises a screw rotor, a shell, a synchronous gear and the like. The high-efficiency oil-free double-screw fuel cell air compressor is an important part of a cathode air supplysystem of a vehicle fuel cell, and is used for increasing the power density and efficiency of the fuel cell and reducing the size of a fuel cell system by increasing the pressure of air entering a pile. 本实用新型提供一种双螺杆燃料电池空压机，包括驱动部分和压缩机本体部分，所述驱动部分为高速永磁同步电机，所述压缩机本体部分包括螺杆转子、壳体、同步齿轮等部件；所述高效无油的双螺杆燃料电池空压机是车用燃料电池阴极供气系统的重要部件，它通过对进堆空气进行增压从而提高燃料电池的功率密度和效率，减小燃料电池系统的尺寸。